Revista AIDIS de Ingeniería y Ciencias Ambientales Investigación desarrollo y práctica,
Год журнала:
2024,
Номер
unknown, С. 565 - 586
Опубликована: Дек. 10, 2024
A
recuperação
de
fósforo
presente
no
esgoto
através
da
precipitação
química
foi
abordada
nesse
estudo.
O
objetivo
avaliar
as
tendências
das
pesquisas
e
correlações
redes
acadêmicas
relacionadas
ao
uso
escória
aço
como
fonte
alternativa
Ca
Mg
na
remoção
do
esgoto.
Mapeou-se
publicações
entre
os
anos
2017
2022
interface
Biblioshiny
que
é
uma
ferramenta
bibliometrix.
Dentre
resultados
encontrados
panorama
publicações,
identificado
a
China
o
país
mais
publicou
durante
esse
período
observou-se
ocorreu
um
aumento
gradual
número
com
passar
destes
anos.
lacunas
identificadas,
destacam-se
falta
estudos
cristalográficos
dos
precipitados
abordagem
propriedades
estruturas
cristalinas
formadas
nos
sistemas,
assim
como,
utilização
granulometrias
maiores
20
mm
filtros
reativos
sistemas
períodos
operações
superiores
1
ano.
Green Technologies and Sustainability,
Год журнала:
2024,
Номер
2(2), С. 100088 - 100088
Опубликована: Март 13, 2024
Remove
and
recovery
of
phosphorus
from
wastewater
is
expected
to
be
a
promising
strategy
solve
the
shortage
resources
control
water
environment
pollution.
In
this
study,
induced
crystallization
coupled
biological
removal
(IC-BPR)
process
was
established
achieve
simultaneous
in
wastewater.
The
effects
side
stream
ratio
(SSR)
on
efficiency
microbial
community
structure
were
explored.
results
indicated
that
SSR
40%
optimal
IC-BPR.
total
94.23%
under
40%,
which
by
IC
accounted
for
74.87%.
And
67.29%.
particle
size
crystal
analysis
crystallized
products
increase
conductive
heterogeneous
crystallization.
Furthermore,
relative
abundances
typical
polyphosphate
accumulation
organisms
(PAOs),
including
Rhodocyclaceae,
Acinetobacter,
Dechloromonasin,
enriched
40%.
functional
genes
related
amino
acid
transport
metabolism,
energy
production
conversion
activated.
above
could
significantly
enhance
suitable
condition.
It
will
provide
important
reference
treatment
resource
technology.
Abstract
This
work
presents
a
reasonable
strategy
of
optimizing
the
N
:
P
molar
ratio
municipal
wastewater
to
simultaneously
restore
N‐NH
4
+
and
P‐PO
3−
via
struvite
precipitation
employing
biochar
modified
with
magnesium
as
seeding
material.
The
phosphate
removal
efficiency
ammonium
could
reach
up
71
%
100
%,
respectively.
remaining
can
be
restored
by
other
techniques
for
low
concentration
input,
such
electrocoagulation.
XRD
patterns
indicate
appearance
high
nutrient
contents
including
Mg,
in
resulting
precipitate,
suggesting
its
potential
agricultural
application.
from
rice
husk
straw
MgCl
2
solution
simple
procedure
used
new
material
wastewater.
It
has
been
found
that
modifying
0.5
M
1
were
enough
improve
14.7
26.5
efficiencies
straw‐based
husk‐based
biochar,
Along
highly
compatible
post‐precipitated
product
soil
amendment,
biochars
suitable
enhancing
restoration
precipitation.
CLEAN - Soil Air Water,
Год журнала:
2023,
Номер
51(12)
Опубликована: Ноя. 8, 2023
Abstract
Since
phosphorus
resources
are
limited,
optimal
management
of
available
(P)
and
recovery
is
a
vital
issue
for
the
entire
world.
Studies
continue
on
more
efficient
economical
techniques
from
wastewater
sludge.
Recovery
as
vivianite
current
worldwide
studies
ongoing.
Vivianite
valuable
mineral
used
in
some
industrial
facilities
agricultural
activities.
Therefore,
P
based
formation
not
only
contributes
to
sustainable
use
but
also
provides
potential
economic
opportunities.
In
this
study,
it
was
aimed
determine
evaluate
effects
operational
conditions
recovery.
For
purpose,
two
types
lab‐scale
crystallizer,
semibatch
completely
mixed
fluidized
bed,
were
used.
experimental
studies,
operating
parameters
such
pH,
Fe/P
ratio,
Fe
feeding
rate,
concentration
crystallization
investigated.
The
highest
found
at
ratio
1.8
removal
efficiency
up
69%
achieved
by
crystallization.
The
major
issue
of
raw
materials
depletion
and
more
specifically
phosphorous
(an
important
fertilizer)
has
currently
become
an
emergent
aspect,
due
to
expected
problems,
needing
immediate
handling.
This
was
the
reason
for
implementation
PhoReSe
project
that
aimed
remove
recover
phosphorus
from
secondary
(biologically
treated)
effluent
a
municipal
wastewater
treatment
plant
(WWTP
“AINEIA”,
located
near
Thessaloniki,
N.
Greece),
treating
wastewaters
nearby
touristic
area.
Regarding
supplementary
removal
recovery
options,
two
methods
mainly
examined,
initially
in
laboratory
scale
(batch
experiments),
i.e.
(1)
adsorption
phosphorous,
(2)
chemical
precipitation
phosphorus.
Both
further
applied
pilot-scale,
by
performing
onto
AquAsZero
commercial
sorbent,
which
is
mixed
manganese
iron
oxy-hydroxide,
followed
implemented
after
de-sorption
process
previously
saturated
adsorbent.
final
precipitate
this
procedure
examined
as
alternative/supplementary
fertilizer,
returning
with
way
into
natural
cycle.
These
experiments,
successfully
set
basis
larger-scale
relevant
application
similar
WWTP
facilities.
Water Science & Technology,
Год журнала:
2024,
Номер
90(2), С. 621 - 630
Опубликована: Июль 2, 2024
ABSTRACT
The
Standards,
Measurements,
and
Testing
(SMT)
phosphorus
fractionation
approach
was
used
to
measure
the
amounts
of
total
(TP),
organic
(OP),
inorganic
(IP),
apatite
(AP),
non-apatite
(NAIP)
in
sludge
biochar.
Sludge
biochar
characterized
using
methods
such
as
X-ray
diffraction,
elemental
analysis,
Fourier
transform
infrared
spectroscopy.
findings
showed
that
IP
content
increased
significantly
after
pyrolysis,
reaching
up
97%
TP
at
optimal
temperature
350
°C.
Furthermore,
when
pyrolysis
increased,
AP/IP
ratio
fluctuations
between
decreases
increases,
maximum
60%.
results
correlation
analysis
indicate
has
a
positive
with
yield,
pH,
S
elements
(p
<
0.05)
negative
N,
C,
H
0.01).
OP,
on
other
hand,
yield
TP,
NAIP,
AP
all
show
correlations
0.01),
NAIP
also
displaying
pH
0.05).
Water,
Год журнала:
2024,
Номер
16(11), С. 1527 - 1527
Опубликована: Май 26, 2024
The
major
issue
of
raw
materials’
depletion,
and
more
specifically,
phosphorous
(an
important
fertilizer)
has
currently
become
an
emergent
aspect
due
to
expected
depletion
problems
needing
immediate
handling.
This
was
the
reason
for
implementation
PhoReSe
project
that
aimed
remove
recover
phosphorus
from
secondary
(biologically
treated)
effluent
a
municipal
wastewater
(biological)
treatment
plant
(WWTP
“AINEIA”,
located
near
Thessaloniki,
N.
Greece),
treating
wastewaters
nearby
touristic
area.
Regarding
supplementary
removal
recovery
options,
two
methods
were
examined,
initially
at
laboratory
scale
(batch
experiments),
i.e.,
(1)
adsorption
phosphorous,
(2)
chemical
precipitation
phosphorus.
Both
further
applied
pilot
by
performing
onto
AquAsZero
commercial
sorbent,
which
is
mixed
manganese
iron
oxy-hydroxide,
followed
implemented
after
desorption
process
previously
saturated
adsorbent.
final
precipitate
this
procedure
examined
as
alternative/supplementary
fertilizer,
way
returning
into
natural
cycle.
These
experiments,
successfully
in
scale,
set
basis
larger-scale
relevant
applications
similar
WWTP
facilities.
